Portable electric furnace



FIG. 1 is a rear perspective view thereof;

FIG. 2 is a left side view thereof, the right side elevation being the mirror image thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a rear perspective view of an alternative embodiment thereof; and,

FIG. 7 is a top view thereof.

The left side and right side views of the alternative embodiment are shown in FIG. 2.

The front view of the alternative embodiment is shown in FIG. 3.

The rear view of the alternative embodiment is shown in FIG. 4.

In both embodiments, the bottom view has been omitted and forms no part of the claimed design. The dashed lines appearing in all views represent environmental subject matter that forms no part of the claimed design. 

The ornamental design for a portable electric furnace, as shown and described. 